High severity · published Jan 27, 2026
CVE-2026-22260
Suricata http1: infinite recursion in decompression
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
Suricata is a network IDS, IPS and NSM engine. Starting in version 8.0.0 and prior to version 8.0.3, Suricata can crash with a stack overflow. Version 8.0.3 patches the issue. As a workaround, use default values for `request-body-limit` and `response-body-limit`.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
suricata · OISF
>= 8.0.0, < 8.0.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-22260
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-22260
Patch
https://github.com/OISF/suricata/commit/0dddac7278c8b9cf3c1e4c1c71e620a78ec1c185
Vendor Advisory
https://github.com/OISF/suricata/security/advisories/GHSA-3gm8-84cm-5x22
Permissions Required
https://redmine.openinfosecfoundation.org/issues/8185
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